To homeowners, fallen leaves look like work. To nature, they’re an investment, with tremendous value on the secondary market as invertebrate real estate.

The company said rogue A.I. agents acted on their own as they tried to access federal, state and local sites. The Philadelphia Police Department said its site was one of them.

A Tennessee judge said the state must preserve syringes and other material from the execution chamber a week after Ms. Pike survived two doses of a drug meant to kill her.

A new book by Justice Samuel Alito presents his view of the Constitution, the Supreme Court, and the country with a focus on religious freedom.

Embarrassed, she initially didn’t want to report attack. Maricopa County Sheriff’s Office's investigation is ongoing. A Phoenix New Times exclusive.

Margaret H. Hamilton, a profoundly influential computer scientist best known for leading the software engineering team at MIT’s Instrumentation Lab during NASA’s Apollo program, died at age 90.

The government doesn’t track how often immigration officers detain U.S. citizens. So ProPublica did. We’ve found more than 500 Americans who were held against their will during this Trump administrati...

New analysis refutes James Watson’s claim he was first to recognize significance of famed photograph 51

New analysis of archival Hubble data points to the possibility of "dead" white dwarf stars hosting second-generation planetary systems.

Several hospitals in the Irkutsk region have been shut down and up to 200 workers have been quarantined.

With neither candidate getting more than 50% of the vote, the election will go to a run-off on 25 October.

Sen. Flávio Bolsonaro, an ally of U.S. President Donald Trump, and Brazil’s veteran President Luiz Inácio Lula da Silva will face off on Oct. 25 in a runoff for the top job of Latin America’s powerhouse economy.

Lula’s coalition asked Brazil’s top electoral court to investigate actions benefiting Flávio Bolsonaro, while the Workers’ Party sought a Federal Police inquiry from the Supreme Court.